Length of 20k Demco Hydraulic Brake Actuator DM8204311

Question

Question:

Hi, Can you please add measurements for this actuator? Thank you!

asked by: Finnpro

0

Expert Reply:

Yes I can; as you can see the mount portion measures 7 inches and the portion behind it measures 9-1/4 inches for the Demco disc brake actuator you asked about, which is the following part number:

- Demco Hydraulic Brake Actuator w/ Drop and Electric Lockout - Disc - Zinc - 2-5/16" Ball - 20K # DM8204311

expert reply by: Kyle S

0

Lengths of Demco Hydraulic Brake Actuator DM8204311
(click to enlarge)

Answer 1

The reverse lockout solenoid on Demco coupler #DM8750311 is the bypass type, normally closed. I have included a picture showing it. You can see the hose that runs back to the master cylinder.

view full answer...

Answer 2

I attached a picture that shows all of the mounting hole dimensions pointed out as well as a second picture that shows the distance from the front mounting hole to rear of shroud on the Demco DA91 #DM8750311 you referenced.

view full answer...

Answer 3

To bleed the brake lines with your Demco Hydraulic Brake Actuator w/ Drop and Electric Lockout #DM8750311 you'll need to complete the following steps: 1. First raise the tongue of the trailer 4" to 6". 2. Loosen or remove two 5/16”…

view full answer...

Answer 4

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

view full answer...

Answer 5

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

view full answer...

Answer 6

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

view full answer...

Answer 7

The Demco Hydraulic Trailer Brake Actuator part #DM72VR should be a direct replacement for the Atwood 61101 Brake Actuator that you have now. This newest updated it rated at 7K instead of 6K. This is a bolt on option that mounts on 3" centers.…

view full answer...

Answer 8

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

view full answer...

Answer 9

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

view full answer...

Answer 10

The #84 spindle is just a common way to identify the spindle dimensions typically used for 3,500 lb axles. So instead of listing out the parts, people can just say they have #84 spindles and it's easier to know what fits it. The CE Smith Trailer…

view full answer...

Answer 11

I currently have four different self-adjusting assemblies for your boat trailer with 10" x 2-1/4" electric drum brakes. You can choose from the following: -Terran Axle Electric Trailer Brakes #TX97ZJ (3,500 Axles) -etrailer Electric Trailer…

view full answer...

Answer 12

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…

view full answer...

Length of 20k Demco Hydraulic Brake Actuator DM8204311

Product Page this Question was Asked From

Featured Help Information

Instructions

Miscellaneous Media

Continue Researching